- American Modern Insurance Group
- Appalachian Underwriters
- Arlington/Roe
- BCBS of IL
- Bristol West
- CNA Surety
- Columbia Insurance Group
- Delta Dental
- Erie Insurance
- Foremost
- Liberty Mutual
- Medica
- Optima Health
- Palomar
- Progressive
- Selective
- Travelers
- United Healthcare
- USLI